Home / 15,572.12-23,358.40-5,183.88

Finding the Fourth Proportional to 15,572.12, 23,358.40 and 5,183.88

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Solution

The fourth proportional to 15,572.12, 23,358.40 and 5,183.88 is: 7,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572.12 : 23,358.40 = 5,183.88 : x
  2. Step 2: Convert to fraction form
    15,572.12/23,358.40 = 5,183.88/x
  3. Step 3: Cross multiply
    15,572.12x = 23,358.40 × 5,183.88
  4. Step 4: Simplify right side
    15,572.12x = 121,087,142.59
  5. Step 5: Solve for x
    x = 121,087,142.59/15,572.12
  6. Step 6: Final answer
    x = 7,775.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.